public Object readRelatedData()

in odata2-lib/odata-ref/src/main/java/org/apache/olingo/odata2/ref/processor/ScenarioDataSource.java [139:215]
71 lines of code
23 McCabe index (conditional complexity)

  public Object readRelatedData(final EdmEntitySet sourceEntitySet, final Object sourceData,
      final EdmEntitySet targetEntitySet, final Map<String, Object> targetKeys) throws ODataNotImplementedException,
      ODataNotFoundException, EdmException {
    if (ENTITYSET_1_1.equals(targetEntitySet.getName())) {
      List<?> data = Collections.emptyList();
      if (ENTITYSET_1_2.equals(sourceEntitySet.getName())) {
        data = ((Team) sourceData).getEmployees();
      } else if (ENTITYSET_1_3.equals(sourceEntitySet.getName())) {
        data = ((Room) sourceData).getEmployees();
      } else if (ENTITYSET_1_4.equals(sourceEntitySet.getName())) {
        data = ((Manager) sourceData).getEmployees();
      }

      if (data.isEmpty()) {
        throw new ODataNotFoundException(null);
      }
      if (targetKeys.isEmpty()) {
        return Arrays.asList(data.toArray());
      } else {
        for (final Object employee : data) {
          if (((Employee) employee).getId().equals(targetKeys.get("EmployeeId"))) {
            return employee;
          }
        }
      }
      throw new ODataNotFoundException(ODataNotFoundException.ENTITY);

    } else if (ENTITYSET_1_2.equals(targetEntitySet.getName())) {
      if (((Employee) sourceData).getTeam() == null) {
        throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
      } else {
        return ((Employee) sourceData).getTeam();
      }

    } else if (ENTITYSET_1_3.equals(targetEntitySet.getName())) {
      if (ENTITYSET_1_1.equals(sourceEntitySet.getName())) {
        if (((Employee) sourceData).getRoom() == null) {
          throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
        } else {
          return ((Employee) sourceData).getRoom();
        }
      } else if (ENTITYSET_1_5.equals(sourceEntitySet.getName())) {
        List<Room> data = ((Building) sourceData).getRooms();
        if (data.isEmpty()) {
          throw new ODataNotFoundException(null);
        }
        if (targetKeys.isEmpty()) {
          return Arrays.asList(data.toArray());
        } else {
          for (final Object room : data) {
            if (((Room) room).getId().equals(targetKeys.get("Id"))) {
              return room;
            }
          }
        }
        throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
      }
      throw new ODataNotImplementedException();

    } else if (ENTITYSET_1_4.equals(targetEntitySet.getName())) {
      if (((Employee) sourceData).getManager() == null) {
        throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
      } else {
        return ((Employee) sourceData).getManager();
      }

    } else if (ENTITYSET_1_5.equals(targetEntitySet.getName())) {
      if (((Room) sourceData).getBuilding() == null) {
        throw new ODataNotFoundException(ODataNotFoundException.ENTITY);
      } else {
        return ((Room) sourceData).getBuilding();
      }

    } else {
      throw new ODataNotImplementedException();
    }
  }